{"id":"CVE-2019-5010","revision":"c63a6e1c234345a2b2515dd3c4c85b6a","records":[{"revision":"c63a6e1c234345a2b2515dd3c4c85b6a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2019-5010","aliases":[],"title":"An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attack…","description":"An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.","state":0,"publishedAt":"2019-10-31T20:05:57+00:00","modifiedAt":"2026-10-07T18:55:25.413+00:00","affected":[{"ecosystem":"Vendor product","name":"Python","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Python\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Python.org CPython 2.7.11 Python.org CPython 3.6.6 Python.org CPython 3.5.2 Python.org CPython 3 master at 480833808e918a1dcebbbcfd07d5a8de3c5c2a66\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"}],"references":["https://access.redhat.com/errata/RHSA-2019:3520","https://access.redhat.com/errata/RHSA-2019:3725","http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html","https://security.gentoo.org/glsa/202003-26","https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html","https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E","https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html","https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2019-5010","license":"CVE Program Terms of Use","key":"cve-program:CVE-2019-5010","identifiers":["CVE-2019-5010"]},"retained":false,"historicalAffected":[]}],"coverage":[]}